torch check the division by zero in batch_norm_update_stats (#120882)
Fixes #120803
Co-authored-by: Nikita Shulga <2453524+malfet@users.noreply.github.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/120882
Approved by: https://github.com/CaoE, https://github.com/malfet
